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    • 63. 发明专利
    • Device and method for cooling exhaust gas for electric furnace
    • 用于冷却用于电炉的排气的装置和方法
    • JP2008106952A
    • 2008-05-08
    • JP2006287478
    • 2006-10-23
    • Nippon Steel Engineering Co Ltd新日鉄エンジニアリング株式会社
    • MORI TADASHIKURODA HITOSHI
    • F27D17/00B01D51/00C21C5/52F23G7/06F23J15/06F27B3/08F27B3/10F27D19/00
    • Y02P10/216Y02P10/283
    • PROBLEM TO BE SOLVED: To provide a device and a method for cooling exhaust gas for an electric furnace attaining high cooling performance, a space-saving property and furthermore cost reduction. SOLUTION: The device for cooling exhaust gas for the electric furnace is composed of a plurality of cooling zones 14A-14C connected to a post-stage of a combustion tower for burning exhaust gas generated from the electric furnace. The cooling zones respectively comprise cooling pipes 3-1, temperature measuring means 7 installed outside the cooling pipes, and spray type cooling means 8a-8f cooling the outer surface of the cooling pipes with water. A cooling water quantity control means for maintaining the outer surface temperature of the cooling pipes to 150°C or higher when cooling with the spray type cooling means and controlling the cooling water quantity of the spray type cooling means provided at the respective cooling zones so that cooling water sticking to the outer surface of the cooling pipes is evaporated in an instant, is provided as a common means. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于冷却电炉的废气的装置和方法,获得高的冷却性能,节省空间的特性,进而降低成本。 解决方案:用于冷却电炉废气的装置由与用于燃烧从电炉产生的废气的燃烧塔的后段连接的多个冷却区14A-14C组成。 冷却区分别包括冷却管道3-1,安装在冷却管外部的温度测量装置7,以及用水冷却冷却管的外表面的喷射式冷却装置8a-8f。 一种冷却水量控制装置,用于在用喷雾式冷却装置冷却时将冷却管的外表面温度保持在150℃或更高,并且控制设置在各个冷却区域的喷射式冷却装置的冷却水量,使得 冷却水的外表面的冷却水即时蒸发,作为通用手段。 版权所有(C)2008,JPO&INPIT
    • 70. 发明专利
    • Ash melting furnace
    • ASH熔炼炉
    • JP2006300410A
    • 2006-11-02
    • JP2005122557
    • 2005-04-20
    • Daido Steel Co Ltd大同特殊鋼株式会社
    • OZAKI MAKOTO
    • F23G5/44B09B3/00F23J1/00F27B3/08F27B3/14F27D1/00
    • PROBLEM TO BE SOLVED: To provide an ash melting furnace prevented from erosion, seepage, or the like of a hearth structure such as firebricks or a monolithic refractory in a short period of time in melting ashes under actual circumstances where the variation of composition of the ashes to be melted cannot be predicted.
      SOLUTION: The ash melting furnace with electrodes inserted in the furnace and with the firebricks laid in inverted arch shape as a whole on the hearth through the monolithic refractory, is constituted to melt the ashes charged in the furnace by applying a current to the electrodes, wherein the monolithic refractory of completely different material from the firebricks is placed further on the upper face of the firebricks laid in inverted arch shape as a whole on the hearth.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种灰熔融炉,在实际情况下,在短时间内防止炉砖结构如耐火砖或整体耐火材料的侵蚀,渗漏等, 不能预测要熔化的灰分的组成。 解决方案:通过整体式耐火材料,在炉中插入电极的灰熔融炉整体放置在炉底上,并通过施加电流来熔化装入炉内的灰分 电极,其中与耐火砖完全不同的材料的整体耐火材料进一步放置在整体上在炉膛上放置成倒拱形的耐火砖的上表面上。 版权所有(C)2007,JPO&INPIT